|Susan Hayward||Christine Allison|
|Peter Finch||Stephen Dane|
|Diane Cilento||Liane Dane|
|Cyril Cusack||Captain Ferris|
|Athene Seyler||Aunt Heather|
|Brenda De Banzie||Nurse Drew|
|Miriam Karlin||Woman in the Black Maria|
After mercifully killing her terminally ill lover, Dr. Christine Allison loses her medical license and spends two years in prison. Once she has completed her sentence, the lawyer who prosecuted Christine, Stephen Dane, hires her to care for his emotionally unstable wife, Liane . Christine takes the job, but when Liane's allegedly dead father reappears, Christine sets out to reveal the family's dark secrets.